<!DOCTYPE html>
<html>
<head>
    <title>HTML5上传图片预览</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <script src="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js"></script>
</head>
<body>
<h3>请选择图片文件：JPG/GIF</h3>
<form name="form0" id="form0" >
    <input type="file" name="file0" id="file0" multiple="multiple" /><br><img src="" id="img0" >
</form>
<script>
    $("#file0").change(function(){
        var objUrl = getObjectURL(this.files[0]) ;
        console.log("objUrl = "+objUrl) ;
        if (objUrl) {
            $("#img0").attr("src", objUrl) ;
        }
    }) ;
    //建立一個可存取到該file的url
    function getObjectURL(file) {
        var url = null ;
        if (window.createObjectURL!=undefined) { // basic
            url = window.createObjectURL(file) ;
        } else if (window.URL!=undefined) { // mozilla(firefox)
            url = window.URL.createObjectURL(file) ;
        } else if (window.webkitURL!=undefined) { // webkit or chrome
            url = window.webkitURL.createObjectURL(file) ;
        }
        return url ;
    }
</script>
</body>
</html>